1.
1 – 0 =
2
4
3
1
|
2.
1 + 0 =
2
1
3
4
|
3.
7 – 6 =
4
1
2
3
|
4.
8 + 0 =
2
8
1
3
|
5.
3 + 3 =
3
2
6
1
|
6.
4 + 1 =
3
1
5
2
|
7.
2 – 2 =
0
4
3
2
|
8.
8 + 1 =
2
1
9
3
|
9.
4 – 3 =
1
3
4
2
|
10.
9 – 5 =
4
1
2
3
|
11.
3 – 3 =
2
4
3
0
|
12.
6 + 3 =
2
9
1
3
|
13.
6 – 4 =
4
1
3
2
|
14.
10 – 10 =
2
4
0
3
|
15.
4 – 0 =
4
2
1
3
|
16.
9 – 3 =
6
1
2
3
|
17.
7 + 0 =
7
1
3
2
|
18.
4 + 2 =
1
3
6
2
|
19.
7 + 0 =
2
7
3
1
|
20.
8 – 4 =
4
3
2
1
|
1.
1 – 0 =
2
4
3
1
|
2.
1 + 0 =
2
1
3
4
|
3.
7 – 6 =
4
1
2
3
|
4.
8 + 0 =
2
8
1
3
|
5.
3 + 3 =
3
2
6
1
|
6.
4 + 1 =
3
1
5
2
|
7.
2 – 2 =
0
4
3
2
|
8.
8 + 1 =
2
1
9
3
|
9.
4 – 3 =
1
3
4
2
|
10.
9 – 5 =
4
1
2
3
|
11.
3 – 3 =
2
4
3
0
|
12.
6 + 3 =
2
9
1
3
|
13.
6 – 4 =
4
1
3
2
|
14.
10 – 10 =
2
4
0
3
|
15.
4 – 0 =
4
2
1
3
|
16.
9 – 3 =
6
1
2
3
|
17.
7 + 0 =
7
1
3
2
|
18.
4 + 2 =
1
3
6
2
|
19.
7 + 0 =
2
7
3
1
|
20.
8 – 4 =
4
3
2
1
|